/**
 * long description for the file
 *
 * @summary scss a& @mixin
 * @author xuesheng zhang
 *
 * Created at     : 2018-08-13 09:17:48 
 * Last modified  : 2018-08-13 09:32:35
 */



 @mixin imgw {
    width: 100%;
    height: 100%;
    vertical-align: middle;
 }
